<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <button @click="done(666,'老铁')">点击</button>
        <input type="text" name="" id="" @keyup.enter="Hi()">
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <script>
        var app = new Vue({
            el: "#app",
            methods: {
                done(a, b) {
                    console.log("It", a, b)
                },
                Hi() {
                    alert("吃饭")
                }
            }
        })
    </script>
</body>

</html>